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Home ‣ Electronics ‣ Series-Parallel Circuits Comments
  • Question

  • If a Wheatstone bridge is balanced, its output voltage is ____.


  • Options
  • A. the same as its input voltage
  • B. very high
  • C. dependent on the unknown resistor value
  • D. equal to 0 V

  • Correct Answer
  • equal to 0 V 

    • Series-Parallel Circuits problems

    Search Results

    • 1. The loading effect of a voltmeter can be ignored if ____.

    • Options
    • A. the measured voltage is very high
    • B. the measured voltage is very low
    • C. the meter's resistance is at least 10 times greater than the resistance across which it is connected
    • D. the meter's resistance is at least 10 times less than the resistance across which it is connected
      • Discuss
    • 2. If the output voltage of a certain loaded voltage divider is 12 V, the output voltage might decrease when the load is removed.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Observed voltages not being shared identify components in parallel in a series?parallel circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The current through R6 is 8.5 mA.


    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The voltage out when a 10 kΩ load is connected is 5.7 volts.


    • Options
    • A. True
    • B. False
      • Discuss
    • 6. 

      In the given circuit, the current flowing through R3 equals ______.


    • Options
    • A. 10 mA
    • B. 21.11 mA
    • C. 90 mA
    • D. 100 mA
      • Discuss
    • 7. Series components in a series?parallel circuit may be in series with other _______________ components, or with other _______________ components.

    • Options
    • A. individual, combinations of
    • B. series, parallel
    • C. parallel, series
    • D. shunt, parallel
      • Discuss
    • 8. 

      In the given circuit, the total resistance (RT) between points A and B equals _____.


    • Options
    • A. 10 Ω
    • B. 100 Ω
    • C. 900 Ω
    • D. 1,010 Ω
      • Discuss
    • 9. When a load is connected to a voltage divider, the total resistance of the circuit will ________.

    • Options
    • A. increase
    • B. decrease
    • C. remain the same
    • D. double
      • Discuss
    • 10. If four 10 kΩ resistors are in series with a single 20 kΩ resistor and one of the parallel resistors shorts, the voltage across the other parallel resistors ________.

    • Options
    • A. increases
    • B. decreases
    • C. remains the same
    • D. drops to zero
      • Discuss

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